213133240140409 has 2 divisors, whose sum is σ = 213133240140410. Its totient is φ = 213133240140408.

The previous prime is 213133240140367. The next prime is 213133240140419. The reversal of 213133240140409 is 904041042331312.

It is a happy number.

213133240140409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125552092230009 + 87581147910400 = 11205003^2 + 9358480^2 .

It is a cyclic number.

It is not a de Polignac number, because 213133240140409 - 2²³ = 213133231751801 is a prime.

It is not a weakly prime, because it can be changed into another prime (213133240140419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566620070204 + 106566620070205.

It is an arithmetic number, because the mean of its divisors is an integer number (106566620070205).

Almost surely, 2^{213133240140409} is an apocalyptic number.

It is an amenable number.

213133240140409 is a deficient number, since it is larger than the sum of its proper divisors (1).

213133240140409 is an equidigital number, since it uses as much as digits as its factorization.

213133240140409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 213133240140409 in words is "two hundred thirteen trillion, one hundred thirty-three billion, two hundred forty million, one hundred forty thousand, four hundred nine".